{
  "modified": "2025-08-09T19:01:27Z",
  "published": "2012-12-18T01:55:03Z",
  "id": "CVE-2012-5571",
  "details": "OpenStack Keystone Essex (2012.1) and Folsom (2012.2) does not properly handle EC2 tokens when the user role has been removed from a tenant, which allows remote authenticated users to bypass intended authorization restrictions by leveraging a token for the removed user role.",
  "references": [
    {
      "type": "ADVISORY",
      "url": "http://rhn.redhat.com/errata/RHSA-2012-1556.html"
    },
    {
      "type": "ADVISORY",
      "url": "http://rhn.redhat.com/errata/RHSA-2012-1557.html"
    },
    {
      "type": "ADVISORY",
      "url": "http://secunia.com/advisories/51423"
    },
    {
      "type": "ADVISORY",
      "url": "http://secunia.com/advisories/51436"
    },
    {
      "type": "ADVISORY",
      "url": "http://www.ubuntu.com/usn/USN-1641-1"
    },
    {
      "type": "FIX",
      "url": "http://www.openwall.com/lists/oss-security/2012/11/28/5"
    },
    {
      "type": "FIX",
      "url": "http://www.openwall.com/lists/oss-security/2012/11/28/6"
    },
    {
      "type": "FIX",
      "url": "https://bugs.launchpad.net/keystone/+bug/1064914"
    },
    {
      "type": "FIX",
      "url": "https://github.com/openstack/keystone/commit/37308dd4f3e33f7bd0f71d83fd51734d1870713b"
    },
    {
      "type": "FIX",
      "url": "https://github.com/openstack/keystone/commit/8735009dc5b895db265a1cd573f39f4acfca2a19"
    },
    {
      "type": "FIX",
      "url": "https://github.com/openstack/keystone/commit/9d68b40cb9ea818c48152e6c712ff41586ad9653"
    },
    {
      "type": "WEB",
      "url": "http://lists.fedoraproject.org/pipermail/package-announce/2012-December/094286.html"
    },
    {
      "type": "WEB",
      "url": "http://www.securityfocus.com/bid/56726"
    },
    {
      "type": "WEB",
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/80333"
    }
  ]
}